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25887084055 = 5710754712637
BaseRepresentation
bin11000000110111111…
…011000111000010111
32110211010010010100221
4120012333120320113
5411004043142210
615520430015211
71604335404160
oct300677307027
973733103327
1025887084055
11aa84647448
125025647507
13259725a021
141378100767
15a179ec1da
hex606fd8e17

25887084055 has 32 divisors (see below), whose sum is σ = 35902434816. Its totient is φ = 17551707264.

The previous prime is 25887084019. The next prime is 25887084079. The reversal of 25887084055 is 55048078852.

It is not a de Polignac number, because 25887084055 - 27 = 25887083927 is a prime.

It is a super-2 number, since 2×258870840552 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25887083993 and 25887084011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2042197 + ... + 2054833.

It is an arithmetic number, because the mean of its divisors is an integer number (1121951088).

Almost surely, 225887084055 is an apocalyptic number.

25887084055 is a deficient number, since it is larger than the sum of its proper divisors (10015350761).

25887084055 is a wasteful number, since it uses less digits than its factorization.

25887084055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13303.

The product of its (nonzero) digits is 3584000, while the sum is 52.

The spelling of 25887084055 in words is "twenty-five billion, eight hundred eighty-seven million, eighty-four thousand, fifty-five".

Divisors: 1 5 7 35 107 535 547 749 2735 3745 3829 12637 19145 58529 63185 88459 292645 409703 442295 1352159 2048515 6760795 6912439 9465113 34562195 47325565 48387073 241935365 739630973 3698154865 5177416811 25887084055